from The Century Dictionary.

  • noun A blue pigment produced by the Bacillus pyocyaneus. It is soluble in chloroform.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Physiol. Chem.) A blue coloring matter found in the pus from old sores, supposed to be formed through the agency of a species of bacterium (Bacillus pyocyaneus).

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun biochemistry A greenish-blue pigment, produced by Pseudomonas aeruginosa, that is an antibiotic and antifungal agent

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a toxic blue crystalline antibiotic found in green pus


Sorry, no etymologies found.


  • The yeast fires off signals that trick the bacterium into slashing production of one of its armaments - a reactive chemical called pyocyanin, which makes life particularly uncomfortable for the yeast.

    New Scientist - Online News

  • Pontiac fever Facultative intracellular L. pneumophila flea Bubonic plague Septicemic plague Pneumonic plague V and W Ag coagulase Y. pestis Water aerosols, raw vegetables, flowers Resistant to chem. agents, antibiotics; Oxidase + NONFERMENTING Bluish green pigment-pyocyanin Grape-like odor Obligate aerobe Nosocomial infection Burns, Immunocompromised (eg., cystic fibrosis), 'hot tub folliculitis' Echtyma gangrenosum Exotoxin - (target: liver);

    Recently Uploaded Slideshows


Log in or sign up to get involved in the conversation. It's quick and easy.